Citation

Hewgill FR , Raston CL White AH (1979) Oxidation of Alkoxyphenols. XXV Crystal Structures of 4,6-Di-t-butyl-4a-hydroxy-8-methoxydibenzofuran-2(4aH)-one-Chloroform and 3',4,9'-Tri-t-butyl-2',5,10'-trimethoxyspiro[cyclohexa-3,5-diene-1,6'-dibenzo[d,f][1,3]dioxepin]-2-one. Australian Journal of Chemistry 32, 881-890.

https://doi.org/10.1071/CH9790881